WebSocketSessionMan now implements DownloadEventListener and is added
to Notifier. It becomes member variable of DownloadEngine. The event
constant for download event is defined in aria2.h so that we can add
event callback API later.
This change replaces the current 64 bit sequential GID with 64 bits
random bytes GID in an attempt to support persistent GID. Internally,
the GID is stored as uint64_t. For human representation and RPC
interface, GID is represented as 16 bytes hex string. For console
readout, 16 bytes are too long, so it is abbreviated to first 6 bytes.
When querying GID in RPC calls, user can speicfy the prefix of GID as
long as the prefix is shared by more than 1 GID entries.
This option enables disk cache. If SIZE is 0, the disk cache is
disabled. This feature caches the downloaded data in memory, which
grows to at most SIZE bytes. The cache storage is created for aria2
instance and shared by all downloads. The one advantage of the disk
cache is reduce the disk seek time because the data is written in
larger unit and it is reordered by the offset of the file. If the
underlying file is heavily fragmented it is not the case.
The old implementation calculates download/upload statistics for a
RequestGroup by summing up all PeerStat objects. For global
statistics, those are summed together. This clearly incurs runtime
penalty and we introduced some kind of caching which updates
statistics every 250ms but it did not work right.
This change removes all these aggregation code, and instead makes
RequestGroup and RequestGroupMan objects hold NetStat object and
download/upload bytes are directly calculated by thier own NetStat.
This is far more simplar than the old way and less runtime penalty and
brings more accuracy.
Removes the unselected files when download is completed in
BitTorrent. To selecting files, use --select-file option. If it is not
used, all files are assumed to be selected. Please use this option
with care because it will actually remove files from your disk.
This option is default to false.
If true is given to --deferred-input option, aria2 does not read all
URIs and options from file specified by -i option at startup, but it
reads one by one when it needs later. This may reduce memory usage if
input file contains a lot of URIs to download. If false is given,
aria2 reads all URIs and options at startup. This option defaults to
false.
~AbstractDiskWriter calles closeFile(), but suppresses exception.
MultiDiskAdaptor::closeFile() logs error if child
DiskWriter::closeFile() throws exception. This exception is not
rethrown. If at least one exception is caught,
MultiDiskAdaptor::closeFile() throws new DlAbortEx.
RequestGroupMan::closeFile() just logs exception and suppress each
exception. Generally, don't call closeFile() in destructor. If you
need to call it, it must suppress the exception.
Nils Maier